<template>
  <div class="search-result">
    <van-list
      v-model="loading"
      :finished="finished"
      finished-text="没有更多了"
      :error="error"
      error-text="加载失败，请点击重试"
      @load="onLoad"
    >
      <van-cell v-for="(article, index) in list" :key="index" :title="article.title" />
    </van-list>
  </div>
</template>

<script>
import { getSearchResult } from '@/api/search.js'
export default {
  name: "searchResult",
  data() {
    return {
      list: [],
       loading: false,
       finished: false,
       error: false,
       page: 1,
       perPage: 20
    };
  },
  props: {
    searchText: {
      type: String,
      required: true
    }
  },
  methods: {
    async onLoad() {
       try {
         // 1. 请求获取数据
         const { data } = await getSearchResult({
           page: this.page, // 页码
           per_page: this.perPage, // 每页大小
           q: this.searchText // 搜索关键字
         })
 
         // 2. 将数据添加到列表中
         const { results } = data.data
         this.list.push(...results)
         console.log(this.list)
 
         // 3. 设置加载状态结束
         this.loading = false
 
         // 4. 判断数据是否加载完毕
         if (results.length) {
           this.page++ // 更新获取下一页数据的页码
         } else {
           this.finished = true // 没有数据了，将加载状态设置结束，不再 onLoad
         }
       } catch (error) {
           // 展示加载失败的提示状态
           this.error = true
           // 加载失败了  loading 也要关闭
           this.loading = false
       }
     }
  }
};
</script>

<style lang="less" scoped></style>
